One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,7,8)(9,10,13,11)(12,15,16,14)(18,22)(20,23)(24,29)(25,30)(27,32)(28,31)(1,3)(2,5)(4,7)(6,8)(9,11,13,10)(12,14,16,15)(17,18,23,30,21,25,20,22)(19,24,31,32,26,27,28,29)(9,12,13,16)(10,14,11,15)(17,19)(18,24)(20,28)(21,26)(22,29)(23,31)(25,27)(30,32)(3,7)(5,8)(10,11)(14,15)(18,25)(19,26)(22,30)(28,31) involution — undirected(17,18,23,30,21,25,20,22)(19,27,31,29,26,24,28,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.